Optimal sonic separator and multi-channel forward imaging system

Details Optimal sonic separator and multi-channel forward imaging system Optimal sonic separator and multi-channel forward imaging system

1990-10-01

1992-06-02

Isen, Forester W.

Electrical audio signal processing systems and devices

Binaural and stereophonic

Hearing aid

H04R 502

Patent

active

051194228

ABSTRACT:
A method and system for separating and "unmixing" prerecorded and mixed right and left stereo sound input signals into three (3) or more output sound signals for sound reproduction by three or more loudspeakers spaced apart and located forward of a listener or listeners. The output sound signals are linear combinations of the right and left sound input signals and uniquely satisfy conditions of sound linearity, symmetry, uniformity, normality, integrity, balance, constancy, and fidelity to create a substantially more accurate sound image of the recorded performance than that created by reproducing only the stereophonic sound input signals.

REFERENCES:
patent: 3757046 (1973-09-01), Williams
patent: 4048442 (1977-09-01), Mannila et al.
patent: 4382157 (1983-05-01), Wert, Jr.
patent: 4399328 (1983-08-01), Franssen et al.
patent: 4888809 (1989-12-01), Knibbeler

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